US Plant Patent PP22221
Perfection
Hydrangea plant named ‘Perfection’
UNDER PATENT
Still under patent. Protection ends April 27, 2030.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP22221
- Filed
- April 27, 2010
- Granted
- November 1, 2011
- Expires
- April 27, 2030
- Assignee
- IIE RYOJI
- Inventor
- IIE RYOJI
Abstract
A new cultivar of Hydrangea macrophylla named ‘PERFECTION’ that is characterized by its free-flowering and reblooming habit, and its well-developed mop-head type inflorescences comprised of double sterile flowers that are dark pink in color.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Hydrangea plant named ‘PERFECTION’ substantially as herein illustrated and described.
Read the full patent: US Plant Patent PP22221 in full — the complete specification, every figure, and the file history.